Park hours
2025-2026 State Holidays
On the following days (actual or observed), staff will not be available and park buildings will be closed: Thanksgiving Day; Nov. 28, 2025; Christmas Eve; Christmas Day; New Year’s Eve; New Year’s Day; Martin Luther King Jr. Day; Lincoln’s Birthday; and Washington's Birthday.
Know Before You Go: Park and Site Status Map
For temporary closures related to weather, stewardship activities and maintenance, as well as temporary trail closures, please visit our Park and Site Status Map.
Park Grounds
7 a.m. to one-half hour after sunset, daily, year-round
Gates open and close at these times.
Visitor Center
March through October
9 a.m. to 4 p.m., daily
November through February
Open during the second week of December for holiday shopping, closed all other days
Boat Launch - Route 66
7 a.m. to one-half hour after sunset, daily, year-round
Gates open and close at these times.
Park Office - Route 66
Summer Hours (on-season)
April through October
9 a.m. to 4:30 p.m., daily
Winter Hours (off-season)
November
9 a.m. to 4:30 p.m., daily
December through February
Closed
March
9 a.m. to 4:30 p.m., daily